A federal system is both a political and philosophical concept that describes how power is given to governments. Federal systems may vary widely in application, but all feature a central government with specific powers over the whole union. [ There are many countries in the modern world that operate using a federal government, including Australia, Germany, Brazil, the United States, and Canada.

The rate at which the population of Nigeria was increasing only a federal system of government could be used so that the wish of the people could be ascertained since government is brought nearer to the people and regions are autonomous, the available resources of the subordinate regions can easily be used to render essential services to the people.

Weegy: WEAKNESSES OF THE RICHARD'S CONSTITUTION:
The nationalist leaders criticised the Constitution on the ground that they were not consulted. [ They strongly criticised the arbitrary manner in which the Constitution was introduced without consulting them.
The N.C.N.C. in a memorandum not only denounced the constitutional proposals as autocratic in origin, but also as designed to create a false impression of providing for an unofficial majority when in fact the 'unofficials' were either Chiefs who were officials appointed by the governor, or their nominees. THE ADVANNTAGES OF THE RICHARD'S CONSTITUTION:
One of the greatest achievements of the Richard's Constitution was that it brought the North and the South in a common legislative council. It allowed the whole country to meet as a body and deliberate on the affairs of the country. Therefore, the Constitution achieved one of its objectives of promoting the unity of the country.
Secondly, the Constitution introduced the concept of regionalism into the political history of the country. Besides, the Constitution sharpened nationalism in Nigeria. As a result of the N.C.N.C. tour of the country to explain the deficiencies of the Richard's Constitution, many people in the country became politically conscious and even some became members of political parties in order to fight against coloninsm and imperialism. ] (More)